Home / 206,729,907.40-285,299,980.50-113,910,391

Finding the Fourth Proportional to 206,729,907.40, 285,299,980.50 and 113,910,391

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Solution

The fourth proportional to 206,729,907.40, 285,299,980.50 and 113,910,391 is: 157,203,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,729,907.40 : 285,299,980.50 = 113,910,391 : x
  2. Step 2: Convert to fraction form
    206,729,907.40/285,299,980.50 = 113,910,391/x
  3. Step 3: Cross multiply
    206,729,907.40x = 285,299,980.50 × 113,910,391
  4. Step 4: Simplify right side
    206,729,907.40x = 32,498,632,331,047,376
  5. Step 5: Solve for x
    x = 32,498,632,331,047,376/206,729,907.40
  6. Step 6: Final answer
    x = 157,203,341.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.